smokeloader | 572831b4dcb5d526f669bbb81f011b1b0abd5e5f3d44642c34d5c3d60f8119b5

Analysis

max time kernel
140s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
30-04-2024 23:47

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General

Target

572831b4dcb5d526f669bbb81f011b1b0abd5e5f3d44642c34d5c3d60f8119b5.exe
Size

279KB
MD5

6cf5467cb6baf7f36a68b8d201472437
SHA1

dcc57b51295957ac135c0bc7617865eb32c81650
SHA256

572831b4dcb5d526f669bbb81f011b1b0abd5e5f3d44642c34d5c3d60f8119b5
SHA512

8cc7cd2335c20a816120e4c67d1846de517d4ea5e995096722481d3906bc0ab31b7f61d536f7690b79ef8f799fe97ada1dbdefc883f1873b03f2c1944ffa5b28
SSDEEP

3072:XYqW1BHlxlpbbOujI+R+gT0AA5qpH6BaSeNS3EzlohwdO8YfNn4kYpuNb9AhLgVQ:XYqC9AkIFgTwKFEE5o7NnBBqk

Score

10^/10

smokeloader pub1 backdoor trojan

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2504 456 WerFault.exe 572831b4dcb5d526f669bbb81f011b1b0abd5e5f3d44642c34d5c3d60f8119b5.exe

pid	pid_target	process	target process
2504	456	WerFault.exe	572831b4dcb5d526f669bbb81f011b1b0abd5e5f3d44642c34d5c3d60f8119b5.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

572831b4dcb5d526f669bbb81f011b1b0abd5e5f3d44642c34d5c3d60f8119b5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	572831b4dcb5d526f669bbb81f011b1b0abd5e5f3d44642c34d5c3d60f8119b5.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	572831b4dcb5d526f669bbb81f011b1b0abd5e5f3d44642c34d5c3d60f8119b5.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	572831b4dcb5d526f669bbb81f011b1b0abd5e5f3d44642c34d5c3d60f8119b5.exe

C:\Users\Admin\AppData\Local\Temp\572831b4dcb5d526f669bbb81f011b1b0abd5e5f3d44642c34d5c3d60f8119b5.exe
"C:\Users\Admin\AppData\Local\Temp\572831b4dcb5d526f669bbb81f011b1b0abd5e5f3d44642c34d5c3d60f8119b5.exe"
1⤵
- Checks SCSI registry key(s)
PID:456
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 352
  2⤵
  - Program crash
  PID:2504

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 456 -ip 456
1⤵
PID:468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/456-1-0x0000000001C60000-0x0000000001D60000-memory.dmp

Filesize
1024KB

Download
memory/456-2-0x0000000001AF0000-0x0000000001AFB000-memory.dmp

Filesize
44KB

Download
memory/456-3-0x0000000000400000-0x0000000001A11000-memory.dmp

Filesize
22.1MB

Download